975-81 Prognostic Value of Ultra-Low Frequency Heart Rate Variability in Chronic Aortic Regurgitation
Freed L, Stein K, Borer J, Hochreiter C, Supino P, Devereux R, Kligfield P. 975-81 Prognostic Value of Ultra-Low Frequency Heart Rate Variability in Chronic Aortic Regurgitation. Journal Of The American College Of Cardiology 1995, 25: 254a. DOI: 10.1016/0735-1097(95)92513-5.Peer-Reviewed Original ResearchFrequency heart rate variabilityHeart rate variabilityAortic regurgitationCardiac deathRate variabilitySymptomatic patientsPrognostic valueChronic severe aortic regurgitationNYHA functional class IEvident coronary diseasePure aortic regurgitationChronic aortic regurgitationSevere aortic regurgitationAortic valve replacementEvent-free survivalFunctional class IRisk of progressionLog-rank testRegurgitant valvular diseaseLeft ventricular ejectionMean RR intervalAverage annual riskValve replacementCoronary diseaseEndpoint events